JPS58155674A - Power source device causing no service interruption - Google Patents

Abstract

PURPOSE:To enable the freedom degree of the installation position of an apparatus body to be increased by enabling the battery exchange to be performed irrespective of the installation position of the apparatus body by using a power supply device which has a high versatility and is constituted by integratingly installing a commercial-alternating-current receiving part, a rectifying part and a storage battery in the same case. CONSTITUTION:A contact 10 used as a power source plug for receiving a commercial alternating current, a rectifier and DC-DC converter part which is positioned in an area 12 (indicated by broken lines), and a battery 4 are integratedly installed in a case 9. A d.c. electric power is supplied to an apparatus by means of a d.c. output cord 13. Owing to such a structure, there is not need to secure a space used for the installation of a power supply device in the apparatus working as a load. In addition, it is desirable that the battery 4 can be handily exchanged by enabling the installation space for the battery 4 of the case 9 to be easily opened and closed.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a compact power supply device that uses a commercial AC power source and a battery as input and outputs DC power to a load, and has uninterruptible characteristics. ,
In order to provide uninterruptible characteristics to a rectifier configured to once rectify this AC power and then convert it to DC-DC using a switching regulator or the like to extract stable DC power, it is necessary to connect a battery in parallel to the output value of this rectifier. A method of providing uninterruptible characteristics is often used. A power supply device that has uninterruptible characteristics in this way normally converts power received from a commercial AC power source and supplies it to a load, and in the event of a power outage, supplies power to the load using a battery.

The configuration of such an uninterruptible power supply is shown in block diagrams in FIGS. 1(a) and 1(b), respectively.

In FIG. 1 (II), 1 is a commercial AC input terminal, 2 is a rectifier, 3 is a switching regulator for DC-DC conversion, 4 is a battery, and 5 is a DC output terminal connected to a load.

FIG. 1(b) shows the configuration of the DC-AC converter. After receiving AC power, the transformer 15 transforms the voltage, and then the rectifier 112
The configuration is such that direct current power is obtained by rectifying at 0, and this is also acceptable.

Conventionally, such uninterruptible power supplies have been installed in devices in m ways as shown in Figure #I2. In other words, in Figure 2, 4 is a battery, 6 is a commercial AC power input plug, and 7 is a battery.
8 is the main body of the power supply device that performs rectification and DC-DC conversion, 8 is the main body of the device that is the load of the power supply device, and arrow Y indicates the direction of plug-in, which supplies commercial AC power from the power input plug 6. The battery 4 is inserted into the power supply main body 7, and these are further mounted in the device 8 via an interface such as a plug-in type.

If this mounting method is adopted, the mounting of the power supply unit is controlled by the mounting design of the main body of the device, so there is little freedom in mounting the power supply unit. I couldn't decide. In addition, the IIW and makN positions that constitute one load are a pair, and the versatility of the power supply unit as a single unit is poor, so the conventional power supply unit has the disadvantage that it is difficult to expect cost reductions due to mass production effects during manufacturing. Furthermore, in order to be able to replace the built-in battery, the l1il# should be installed on a tabletop or other location.
It has the disadvantage of being inconvenient because it has to be limited to the area that can be reached by people, and there is no flexibility in the installation location.

The present invention has been made in order to eliminate the drawbacks of the prior art as described above, and therefore, an object of the present invention is to provide a highly versatile and To provide an uninterruptible power supply device which enables battery replacement regardless of the installation location of the device body and increases the degree of freedom in the installation location of the device body.

The key point of the configuration of the present invention is that a commercial AC power receiving section, a rectifier section, and a storage battery are integrated and housed in the same case to form a power station, which can be installed independently of the main unit.

Next, an embodiment of the present invention will be described with reference to the drawings.

#l3w1(a) is a perspective view of an embodiment of the present invention seen from the back, and FIG. 3(b) is a perspective view of the same seen from the front. AC power input contact, 11 is a light emitting diode, 12 is the storage position of the rectifier and DC-DC converter in the case 9 (indicated by a broken line), and 13 is a DC output cord leading to the equipment as a load. be.

11113 As can be seen from Figures (a) and (b), the uninterruptible power supply as an embodiment of the present invention includes a contactor 10 as a power plug for receiving commercial AC power, a rectifier, and a DC-
It is implemented by integrating the DC converter (dotted line position 12) and one battery 4 and housing them in the same case 9,
DC power is supplied to the equipment through a DC output cord 13. If an uninterruptible power supply with such a structure is adopted, there is no need to secure space for mounting the power supply in the 41I unit as a load, and therefore, such a power supply
It is highly versatile because it can be widely applied to various devices that require uninterrupted current power.

Further, as illustrated in No. 31m(b), it is preferable that the storage portion of the battery 4 in the case 9 has a structure that can be easily opened and closed, so that the battery can be easily replaced.

Furthermore, a display means such as a light emitting diode 11 is provided on the battery extraction surface, and by turning on or off the diode 11, a warning of a decrease in the capacity of the battery 4 is issued and the user is informed that it is time to replace the battery. can.

In this way, the power supply device according to the present invention serves as a load *i
Since the built-in battery can be maintained, inspected, and replaced at a location independent from the power supply unit itself, only the location of the power supply unit itself needs to be considered, and restrictions on the installation location of the Is unit itself, which is a load, are alleviated. can do.

The 4th is a back side or ζζ perspective view showing another actual kH of the present invention. The embodiment shown in the figure is an embodiment in which a power input contact is constructed by incorporating a grounding contact 14 near a contact 10 serving as a power plug for receiving commercial AC power.

In the case of communication terminal equipment, it is necessary to ground the power supply side to protect the communication device from graffiti, but if the ground wire is also built into the outlet during indoor wiring work, it is possible to
By using a power supply input contact as shown in the figure, grounding on the power supply side can be carried out extremely easily, and the amount of work required to install the equipment can be reduced accordingly.

In the above description, the battery 4 may be a secondary battery itself such as a primary battery of a manganese dry cell ring, a lead sealed storage battery, or a nickel-cadmium storage battery, or it may be a battery case with a terminal that houses these batteries.

As explained above, the power supply device according to the present invention can be used for devices that require power supply even during a commercial power outage, such as a telephone,
It can be widely applied to communication terminals such as facsimiles and printers, emergency lights, calculators, etc., and can be expected to have the following advantages compared to conventional uninterruptible power supplies built into equipment.

(a) Of the interface conditions between the power supply and equipment, mounting space, power supply monitoring, etc. can be handled by the power supply itself, so there are four interfaces. (b) Since it has a built-in battery, regular maintenance and However, according to the power supply device of the present invention, it is only necessary to select a place to receive commercial AC power, and the load equipment can be installed at a high place, outdoors, etc., and the installation location of the equipment itself can be changed. There is a lot of freedom.

(c) Since the power supply device can be configured regardless of the size of the main body of the device, it is easy to change the retention time during a power outage according to the power situation such as the user's request or the frequency of power outages.

[Brief explanation of the drawing]

Figures 1 (a) and (b) are block diagrams showing a configuration example of an uninterruptible power supply, Figure 2 is a perspective view showing how a conventional uninterruptible power supply is mounted on equipment, and Figure 3 (Xun FIG. 3(b) is a perspective view of an embodiment of the present invention seen from the back side.
No. 411 is a perspective view seen from the front, and No. 411 is a perspective view seen from the back showing another embodiment of the present invention. Symbol explanation 1...Commercial AC input terminal, 2.20...Rectifier, 3...Switching regulator, 4...
Battery, 5...DC output terminal, 6...
Power input plug, 7... Power supply unit, 8.
...11 main body, 9 ... case, 10 ...
...Commercial AC input contact, 11...Light emitting diode, 12...Power supply main body storage position, 13.
...DC output cord, 14...Curved ground contact, 15...Transformer representative, Bento engineer Akio Namiki, Bento specialist Kiyoshi Matsuzaki

Claims (1)

[Claims] 1) Consisting of a converter that converts AC power obtained from a commercial AC input terminal into DC power, and a battery connected in parallel to the output side of the converter, the load can be transferred from the converter and battery to An uninterruptible power supply device configured to supply DC power to a computer, the conversion device and the battery being housed in the same case, and the uninterruptible power supply device being installed independently of the device serving as the load. . 2. In the uninterruptible power supply according to claim 1, a power input contact serving as the commercial AC input terminal is attached to one surface of the case, and a grounding contact is also attached or attached. First, an uninterruptible power supply device characterized in that a battery capacity reduction warning display means is attached to the other surface of the case. 3) The uninterruptible power supply according to claim 1 or 2, wherein the case is provided with an opening/closing member for easily replacing the battery. Device.